名校
解题方法
1 . 如图,已知
,
分别是双曲线E:
的左、右焦点,
是E上一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/57d19132-b2a4-4803-adf4-46d435dda95c.png?resizew=204)
(1)求E的方程.
(2)过直线l:
上任意一点T作直线
,
与E的左、右两支相交于A,B两点,直线
关于直线l对称的直线为
(与
不重合),
与E的左、右两支相交于C,D两点.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c7bcdcd135d4e537a1952f622eb1ecc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5df6fcdb019f3743b26127ef5576c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2bd968d77544b90a81cde792a28e76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/57d19132-b2a4-4803-adf4-46d435dda95c.png?resizew=204)
(1)求E的方程.
(2)过直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1016bc9ef1c728bccf070a6e4a532f.png)
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2023-11-10更新
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325次组卷
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6卷引用:河北省邢台市五岳联盟2023-2024学年高二上学期期中数学试题